| 释义 | 
		 atomic theoryBrE /əˌtɒmɪk ˈθɪəri/NAmE /əˌtɑːmɪk ˈθɪri/, /əˌtɑːmɪk ˈθiːəri/ noun (chemistry 化学, physics 物理) the theory that all elements are made up of small particles called atoms which are made up of a central  nucleus  surrounded by moving electrons 原子论 |